Input wifi SSID and PW

greetings.

is possible input wifi ssid , pw using touchscreen lcd instead of re-programming bootloader.

i have portable air quality monitor connects phone's ap.

the goal when im in new wifi environment, can input ssid , pw using tft screen.

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is possible input wifi ssid , pw using touchscreen lcd

yes.

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instead of re-programming bootloader.

why want ?  do perhaps mean, instead of hard coding them program.

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